Iselin, New Jersey, United States / Delray Beach, Florida, United States / Arlington, Virginia, United States / Westwood, Massachusetts, United States / Linthicum Heights, Maryland, United States / West Monroe, Louisiana, United States / New Orleans, Louisiana, United States / New York, New York, United States / Panama City, Florida, United States / Pensacola, Florida, United States / Philadelphia, Pennsylvania, United States / Raleigh, North Carolina, United States / Tampa, Florida, United States / Charleston, West Virginia, United States / Chicago, Illinois, United States / Pittsburgh, Pennsylvania, United States. Business development, Architecture, Systems and signals, Infrastructure, Water, Project programme and commercial management, Highways, Project controls, Surveying inspection and field services, Tunnels, Mechanical, Aviation, Digital design, Geotechnical and tunnelling, Structural, Oil and gas, Railways, Energy, Building services, Planning and modelling, Civil, GIS, Environment, Bridges, Electrical, Building sciences, Maritime, Renewables.